Hi, I always facing DataBinding: 'System.Data.DataRowView' does not contain a property with the name 'ProductColor'. this issue, I checked all my data binding, its correct, how to fix this?

jw 0 Reputation points
2024-09-27T11:24:22.7066667+00:00

Below is my code for cs
using System;

using System.Collections.Generic;

using System.Data.SqlClient;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

//Step 1:

using System.Xml.Linq;

using Razorpay.Api;

using System.Configuration;

using System.Data;

namespace NewVersion.admin

{

public partial class productList : System.Web.UI.Page

{

    //step 2: retrieve CS from Global.asax

    string cs = Global.CS;

    protected void Page_Load(object sender, EventArgs e)

    {

        if (!IsPostBack)

        {

            BindProductTable();

        }

    }

    protected void btnAddProduct_Click(object sender, EventArgs e)

    {

        string productName = txtProductName.Text;

        string productImageURL = txtProductImageURL.Text;

        decimal price = decimal.Parse(txtPrice.Text);

        int quantity = int.Parse(txtQuantity.Text);

        string productStorage = txtProductStorage.Text;

        string productColor = txtProductColor.Text;

        string connectionString = ConfigurationManager.ConnectionStrings["productConnectionString"].ConnectionString;

        string query = @"INSERT INTO Product (ProductImageURL, ProductName, Price, Quantity, ProductColor, ProductStorage) 

                 VALUES (@ProductImageURL, @ProductName, @Price, @Quantity, @ProductColor, @ProductStorage)";

        using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["productConnectionString"].ConnectionString))

        {

            using (SqlCommand cmd = new SqlCommand(query, con))

            {

                // Supply input/data into parameters

                cmd.Parameters.AddWithValue("@ProductImageURL", productImageURL);

                cmd.Parameters.AddWithValue("@ProductName", productName);

                cmd.Parameters.AddWithValue("@Price", price);

                cmd.Parameters.AddWithValue("@Quantity", quantity);

                cmd.Parameters.AddWithValue("@ProductColor", productColor);

                cmd.Parameters.AddWithValue("@ProductStorage", productStorage);

                con.Open(); 

                int rowsAffected = cmd.ExecuteNonQuery();

                if (rowsAffected > 0)

                {

                    lblMessage.Text = "Product added successfully.";

                    lblMessage.CssClass = "text-success";

                    // Rebind the product data to the UI to show the newly added product

                    BindProductTable();

                    Response.Redirect("productList.aspx");

                }

                else

                {

                    lblMessage.Text = "Product addition failed.";

                    lblMessage.CssClass = "text-danger";

                }

            }

        }

}

    private void BindProductTable()

    {

        // Define connection string (assumed stored in Web.config)

        string connectionString = ConfigurationManager.ConnectionStrings["productConnectionString"].ConnectionString;

        // SQL query to fetch product data

        string query = "SELECT ProductID, ProductName, ProductImageURL, Price, Quantity, ProductColor, ProductStorage FROM Product";

        // Connect to the database

        using (SqlConnection conn = new SqlConnection(connectionString))

        {

            using (SqlCommand cmd = new SqlCommand(query, conn))

            {

                conn.Open();

                // Create a DataTable to hold the data

                DataTable dt = new DataTable();

                // Fill the DataTable with the result of the query

                using (SqlDataAdapter da = new SqlDataAdapter(cmd))

                {

                    da.Fill(dt);

                }

                // Bind the DataTable to the Repeater control

                ProductRepeater.DataSource = dt;

                ProductRepeater.DataBind();

            }

        }

    }

    protected void ProductRepeater_ItemCommand(object source, RepeaterCommandEventArgs e)

    {

        if (e.CommandName == "EditProduct")

        {

            string productId = e.CommandArgument.ToString();

            LoadProductDetails(productId);

            ShowEditModal(); 

        }

        if (e.CommandName == "DeleteProduct")

        {

            string productId = e.CommandArgument.ToString();

            DeleteProduct(productId);

            BindProductTable(); 

        }

    }

    private void LoadProductDetails(string productId)

    {

        string sql = "SELECT ProductName, ProductImageURL, Price, Quantity, ProductColor, ProductStorage FROM Product WHERE ProductID = @ProductID";

        using (SqlConnection con = new SqlConnection(cs))

        {

            using (SqlCommand cmd = new SqlCommand(sql, con))

            {

                cmd.Parameters.AddWithValue("@ProductID", productId);

                con.Open();

                using (SqlDataReader reader = cmd.ExecuteReader())

                {

                    if (reader.Read())

                    {

                        txtProductID.Value = productId;

                        txtProductName.Text = reader["ProductName"].ToString();

                        txtProductImageURL.Text = reader["ProductImageURL"].ToString();

                        txtPrice.Text = reader["Price"].ToString();

                        txtQuantity.Text = reader["Quantity"].ToString();

                        txtProductStorage.Text = reader["ProductStorage"].ToString();

                        txtProductColor.Text = reader["ProductColor"].ToString();

                    }

                }

            }

        }

    }

    private void ShowEditModal()

    {

        ScriptManager.RegisterStartupScript(this, this.GetType(), "showEditModal", "$('#addRowModal').modal('show');", true);

    }

    protected void btnUpdateProduct_Click(object sender, EventArgs e)

    {

        // Retrieve user input

        string productId = txtProductID.Value;

        string productName = txtProductName.Text;

        string productImageUrl = txtProductImageURL.Text;

        decimal price = decimal.Parse(txtPrice.Text);

        int quantity = int.Parse(txtQuantity.Text);

        string productColor = txtProductColor.Text;

        string productStorage = txtProductStorage.Text;

        // Update the product in the database

        string sql = @"UPDATE Product SET ProductName = @ProductName, ProductImageURL = @ProductImageURL, 

                   Price = @Price, Quantity = @Quantity, ProductColor = @ProductColor, 

                    ProductStorage = @ProductStorage,

                     WHERE ProductID = @ProductID";

        using (SqlConnection con = new SqlConnection(cs))

        {

            using (SqlCommand cmd = new SqlCommand(sql, con))

            {

                // Supply input/data into parameters

                cmd.Parameters.AddWithValue("@ProductName", productName);

                cmd.Parameters.AddWithValue("@ProductImageURL", productImageUrl);

                cmd.Parameters.AddWithValue("@Price", price);

                cmd.Parameters.AddWithValue("@Quantity", quantity);

                cmd.Parameters.AddWithValue("@ProductID", productId);

                cmd.Parameters.AddWithValue("@ProductColor", productColor);

                cmd.Parameters.AddWithValue("@ProductStorage", productStorage);

                try

                {

                    con.Open();

                    int rowsAffected = cmd.ExecuteNonQuery();

                    if (rowsAffected > 0)

                    {

                        lblMessage.Text = "Product updated successfully.";

                        lblMessage.CssClass = "text-success";

                    }

                    else

                    {

                        lblMessage.Text = "Product update failed. Product ID not found.";

                        lblMessage.CssClass = "text-danger";

                    }

                }

                catch (Exception ex)

                {

                    lblMessage.Text = "Error: " + ex.Message;

                    lblMessage.CssClass = "text-danger";

                }

            }

        }

        BindProductTable();

    }

    private void ClearFields()

    {

        txtProductID.Value = string.Empty;

        txtProductName.Text = string.Empty;

        txtProductImageURL.Text = string.Empty;

        txtPrice.Text = string.Empty;

        txtQuantity.Text = string.Empty;

        txtProductColor.Text = string.Empty;

        txtProductStorage.Text = string.Empty;

    }

    private void LoadProducts()

    {

        string sql = "SELECT ProductID, ProductName, ProductImageURL, Price, Quantity, ProductColor, ProductStorage FROM Product";

        using (SqlConnection con = new SqlConnection(cs))

        {

            SqlCommand cmd = new SqlCommand(sql, con);

            con.Open();

            SqlDataReader reader = cmd.ExecuteReader();

            ProductRepeater.DataSource = reader;

            ProductRepeater.DataBind();

            con.Close();

        }

    }

    private void DeleteProduct(string productId)

    {

        string connectionString = ConfigurationManager.ConnectionStrings["productConnectionString"].ConnectionString;

        string query = "DELETE FROM Product WHERE ProductID = @ProductID";

        using (SqlConnection con = new SqlConnection(connectionString))

        {

            using (SqlCommand cmd = new SqlCommand(query, con))

            {

                cmd.Parameters.AddWithValue("@ProductID", productId);

                con.Open();

                cmd.ExecuteNonQuery();

            }

        }

    }

}
```}  
  
  
<asp:Repeater ID="ProductRepeater" runat="server" OnItemCommand="ProductRepeater_ItemCommand">

```vba
<ItemTemplate>

    <tr>

        <td><%# Eval("ProductID") %></td>

        <td><%# Eval("ProductName") %></td>

        <td><img src='<%# Eval("ProductImageURL") %>' alt="Product Image" style="width:50px;height:50px;" /></td>

        <td><%# Eval("Price") %></td>

        <td><%# Eval("Quantity") %></td>

        <td><%# Eval("ProductColor") %></td>

        <td><%# Eval("ProductStorage") %></td>

        <td>

    <div class="form-button-action">

        <asp:LinkButton runat="server" CssClass="btn btn-link btn-primary btn-lg" 

            CommandName="EditProduct" 

            CommandArgument='<%# Eval("ProductID") %>' 

            ToolTip="Edit Task" 

            OnClientClick='<%# "openEditModal(" 

                + Eval("ProductID") + ", \"" 

                + Eval("ProductName") + "\", \"" 

                + Eval("Price") + "\", \"" 

                + Eval("Quantity") + "\", \"" 

                + Eval("ProductImageURL") + "\", \"" 

                + Eval("ProductColor") + "\", \"" 

                + Eval("ProductStorage") + "\"); return false;" %>'

            >

        </asp:LinkButton>

        <asp:LinkButton runat="server" CssClass="btn btn-link btn-danger" 

            CommandName="DeleteProduct" 

            CommandArgument='<%# Eval("ProductID") %>' 

            ToolTip="Remove">

            <i class="fa fa-times"></i>

        </asp:LinkButton>

    </div>

        </td>

    </tr>

</ItemTemplate>
```</asp:Repeater>
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