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How Can I Find Controls Within a GridView's TemplateField?

Linda Hamilton
Linda HamiltonOriginal
2024-12-29 14:18:10228browse

How Can I Find Controls Within a GridView's TemplateField?

How to find controls in GridView's TemplateField?

What the GridView's RowDataBound event does is allow you to perform any specific action after the data is bound to the GridView. FindControl method is used to find any control in a specific row in the GridView or in the template.

Where, based on your provided code:

  • grvYourOpportunities is the ID of the GridView.
  • e.Row.FindControl("hlPlus") is used to find the HyperLink control with the ID "hlPlus" in the current row.

Answer the question

Here is an example of how to use the FindControl method to find a specific control:

// 获取当前正在处理的行
GridViewRow row = grvYourOpportunities.Rows[e.RowIndex];

// 查找 HyperLink 控件
HyperLink hlPlus = row.FindControl("hlPlus") as HyperLink;

// 如果控件存在,执行任何必要的操作
if (hlPlus != null)
{
    // 将 hlPlus 的 ImageUrl 设置为 "plus.gif"
    hlPlus.ImageUrl = "plus.gif";

    // 将 hlPlus 的可见性设置为 true
    hlPlus.Visible = true;
}

Note that you need to use The appropriate data type to get the HyperLink control, in this case "HyperLink". This ensures that the compiler knows what type of control you are looking for.

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